參數(shù)資料
型號(hào): Z0220516SSC
英文描述: Modem Controller
中文描述: 調(diào)制解調(diào)器控制器
文件頁數(shù): 30/48頁
文件大?。?/td> 1331K
代理商: Z0220516SSC
Z02201
V.22bis Data Pump with Integrated AFE
ZiLOG
30
Z02201
PS000902-0501
Biquad A Coefficients
0155
015E
Biquad B Coefficients
015F
0168
Biquad A and B Coefficients
These locations program the frequency range for the biquad tone
detectors. The coef
fi
cients are in the following order:
b2, b1, a3, a2, a1, B2, B1, A3, A2, A1.
See the section on
Call-Progress Monitoring Using BiQuad Tone
Detectors
for more information.
Tone Detector Coefficients
These locations set the tone detector coef
fi
cients for the 16 detectors in
the system. The coef
fi
cients are set by using the following formula where
(2 pi x ftone/9600) is measured in radians:
DTD0
DTD15
0145
0154
See
Tone Detectors
for more information.
Eye Quality Monitor (EQM)
This register provides a measure of line quality during V.22, V.22bis, or
Bell 212A, while computing a running average of the mean square error
(MSE) of the received point and decision point. When EQMlev exceeds
EQMMaxThresh, Dpctrl.EQE is set to 1; otherwise, it is set to 0.
EQMlev
092
Table 15. Modem Data Pump Word De
fi
nitions (Continued)
Register & Address
(hex)
Default
Value
Function and Explanation
coeff
tone
2
π
f
tone
------9600
cos
32767
=
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